Below you will find the best synthetic oil for a 2018 Cadillac CT6. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 2018 Ct6
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 5W-30 Synthetic Motor Oil | Save time and money and costly repairs at the auto shop! Amsoil has your back! Bullet proof your Ct6's engine! | With filter 5 quarts After refill check oil level. |
ASLQT-EA
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| XL 5W-30 Synthetic Motor Oil | Protect your Ct6 with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 5 quarts After refill check oil level. |
XLFQT-EA
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| OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 2018 Cadillac Ct6 2.0L. It has advanced synthetic technology that resists chemical breakdown for maximum wear protection for your vehicle which is well beyond the traditional 3,000-mile oil change interval. | With filter 5 quarts After refill check oil level. |
OEFQT-EA
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Recommended oil filters for my 2018 Ct6
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | recommended for 15,000 miles/one year, whichever comes first, in normal or severe driving conditions. Change your 2018 Cadillac Ct6's oil only once a year! |
EA15K50-EA
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| WIX Oil Filter | Great WIX filter for your 2018 Cadillac Ct6 which is the OEM recommendation to match the drain interval of AMSOIL XL Synthetic Motor oil. Will last 12,000 miles or 1 year, whichever comes first. |
WL10290-EA
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Recommended transmission fluids for my 2018 Ct6
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
7 speed With Cooler 4EL70 Total Fill 10.6 quarts
7 speed With O Cooler 4EL70 Total Fill 10 quarts
8 speed With Cooler 8L45 Total Fill 11.4 quarts
8 speed With O Cooler 8L45 Total Fill 10.9 quarts
7.4 quarts Initial Fill |
If a lighter viscosity is needed then this automatic transmission fluid provides top-notch protection! Recommended for Toyota, Ford, and General Motors transmissions. You will get the same awesome protection as Amsoil's Signature Series Multi-Vehicle automatic transmission fluid. Also recommended for vehicles that need GM DEXRON® VI, Ford MERCON® LV and SP, Honda DW-1, Nissan Matic-S, and Toyota WS fluid specifications. |
ATLPK-EA
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Differential for my Cadillac Ct6
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 75W-90 |
200 mm Rear 1.1 pints
225 mm Rear 2.3 pints |
This special formula is made for harsh operating conditions that pick-up trucks endure. Also top-notch protection for SUVs, heavy equipment, and other heavy-duty vehicles. Made in the USA. |
SVGPK-EA
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Recommended coolants for my Cadillac Ct6
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 2018 Cadillac Ct6 under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
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|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 2018 Cadillac Ct6 for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Change up your motor oil with the best synthetic oil on the market today! Dump conventional/regular oil and synthetic oil blends which are not true synthetics. Amsoil gives you peace of mind protection and outstanding performance that leaves conventional oil behind. The convenience of being able to drive more miles and save money is great too! You will enjoy awesome cold temperature starting and performance, improved fuel economy, and superior engine protection! If you do your oil changes yourself, then please check the amount of quarts your vehicle needs on this page. It is listed as the capacity of your vehicle. If you do not change your own oil, then any professional mechanic will gladly change it for you. Be sure to buy the filter for your car or truck.


